Search results with tag "Ansi valve leakage standards"

ANSI VALVE LEAKAGE STANDARDS - Gemco Valve

It is the kind of leakage rate you can expect from a valve with a metal shut-off disc and metal seat. CLASS Vl is known as a soft seat classification. Soft Seat Valves are those where the seat or shut-off disc or both are made from some kind of resilient material such as Teflon.

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